SQL> grant create session, create table to test_dpump identified by test;

Grant succeeded.

SQL> grant read, write on directory DATA_PUMP_DIR to test_dpump;

Grant succeeded.

SQL> alter user test_dpump default tablespace users quota unlimited on users;

User altered.

SQL> conn test_dpump/test
Connected.
SQL> create table test1 (a1 number);

Table created.

SQL> insert into test1 select level from dual connect by level < 100;

99 rows created.

SQL> commit;

Commit complete.

SQL> host
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

E:\>expdp test_dpump/test directory=DATA_PUMP_DIR dumpfile=test.dmp

Export: Release 10.2.0.1.0 - Production on Saturday, 30 June, 2007 0:40:48

Copyright (c) 2003, 2005, Oracle.  All rights reserved.

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Oracle Label Security, OLAP and Data Mining options
Starting "TEST_DPUMP"."SYS_EXPORT_SCHEMA_01":  test_dpump/******** directory=DATA_PUMP_DIR dumpfile=
test.dmp
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 64 KB
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
Processing object type SCHEMA_EXPORT/TABLE/COMMENT
. . exported "TEST_DPUMP"."TEST1"                        5.593 KB      99 rows
Master table "TEST_DPUMP"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded
******************************************************************************
Dump file set for TEST_DPUMP.SYS_EXPORT_SCHEMA_01 is:
  E:\ORACLE\ADMIN\WIN10G\DPDUMP\TEST.DMP
Job "TEST_DPUMP"."SYS_EXPORT_SCHEMA_01" successfully completed at 00:42:29

E:\>